JPS57211058A - Non-destructive inspection method by eddy current and its device - Google Patents

Non-destructive inspection method by eddy current and its device

Info

Publication number
JPS57211058A
JPS57211058A JP57044794A JP4479482A JPS57211058A JP S57211058 A JPS57211058 A JP S57211058A JP 57044794 A JP57044794 A JP 57044794A JP 4479482 A JP4479482 A JP 4479482A JP S57211058 A JPS57211058 A JP S57211058A
Authority
JP
Japan
Prior art keywords
eddy current
inspection method
destructive inspection
destructive
eddy
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP57044794A
Other languages
English (en)
Inventor
Dabitsudo Berunaaru
Pijiyon Mitsushieru
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Commissariat a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA
Publication of JPS57211058A publication Critical patent/JPS57211058A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
    • G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
    • G01N27/9046—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents by analysing electrical signals
    • G01N27/9053—Compensating for probe to workpiece spacing

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
JP57044794A 1981-03-23 1982-03-23 Non-destructive inspection method by eddy current and its device Pending JPS57211058A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8105753A FR2502337A1 (fr) 1981-03-23 1981-03-23 Procede de controle non destructif par courants de foucault avec correction des effets d'entrefer et dispositif de mise en oeuvre

Publications (1)

Publication Number Publication Date
JPS57211058A true JPS57211058A (en) 1982-12-24

Family

ID=9256521

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57044794A Pending JPS57211058A (en) 1981-03-23 1982-03-23 Non-destructive inspection method by eddy current and its device

Country Status (7)

Country Link
US (1) US4488114A (ja)
EP (1) EP0061956B1 (ja)
JP (1) JPS57211058A (ja)
KR (1) KR880000358B1 (ja)
DE (1) DE3266987D1 (ja)
FR (1) FR2502337A1 (ja)
ZA (1) ZA821958B (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4833931A (en) * 1987-08-14 1989-05-30 Westinghouse Electric Corp. Thermally self-adjusting mount for proximity sensor
JP2929402B2 (ja) * 1992-07-10 1999-08-03 日石三菱株式会社 炭素繊維強化管状複合材の検査方法及び装置
US5446382A (en) * 1993-06-23 1995-08-29 The Babcock & Wilcox Company Eddy current probe having one yoke within another yoke for increased inspection depth, sensitivity and discrimination
DE10045715A1 (de) * 2000-09-15 2002-03-28 Busch Dieter & Co Prueftech Verfahren und Vorrichtung zur Prüfung eines Werkstücks mittels Wirbelströmen
FR2904694B1 (fr) * 2006-08-03 2008-11-07 Commissariat Energie Atomique Procede et dispositif de controle par courants de foucault a fonctions emission/reception separees d'une piece electriquement conductrice
FR3040492B1 (fr) * 2015-08-31 2019-03-29 Safran Aircraft Engines Dispositif et procede de controle non destructif combinant une mesure differentielle et une mesure absolue

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2985824A (en) * 1958-04-14 1961-05-23 Jr Claus J Renken Nondestructive eddy current testing
FR1308785A (fr) * 1961-10-13 1962-11-09 Gkn Group Services Ltd Perfectionnements apportés aux procédés et appareils pour déceler la présence de défauts dans des solides cohérents électriquement conducteurs
DE2049486A1 (de) * 1969-10-10 1971-04-22 Automation Ind Inc Material Prüfgerät
GB1475517A (en) * 1974-06-27 1977-06-01 British Steel Corp Detection of surface defects in elongate metallic members
FR2339170A1 (fr) * 1976-01-22 1977-08-19 Commissariat Energie Atomique Pont de mesure pour dispositif de controle par courants de foucault
US4079312A (en) * 1976-08-17 1978-03-14 Allegheny Ludlum Industries, Inc. Continuous testing method and apparatus for determining the magnetic characteristics of a strip of moving material, including flux inducing and pick-up device therefor
FR2443682A1 (fr) * 1978-12-07 1980-07-04 Commissariat Energie Atomique Circuit de correction automatique d'un signal emis par un capteur differentiel desequilibre
FR2451032A1 (fr) * 1979-03-09 1980-10-03 Commissariat Energie Atomique Appareil numerique pour le controle de pieces par courants de foucault

Also Published As

Publication number Publication date
ZA821958B (en) 1983-04-27
EP0061956B1 (fr) 1985-10-23
EP0061956A1 (fr) 1982-10-06
FR2502337B1 (ja) 1983-04-22
US4488114A (en) 1984-12-11
DE3266987D1 (en) 1985-11-28
FR2502337A1 (fr) 1982-09-24
KR880000358B1 (ko) 1988-03-20

Similar Documents

Publication Publication Date Title
GB2098335B (en) Nondestructive inspection apparatus and method
GB2104651B (en) Defect detecting method and apparatus
DE3271655D1 (en) Device for the non-destructive testing of ferromagnetic objects
GB2075182B (en) Method of and device for detecting the position of an object
DE3266126D1 (en) Method and apparatus for contactless electrical testing
GB2078948B (en) Defect detecting method and device
GB2115145B (en) Method and device for inspecting printed matter
JPS5755138A (en) Method and apparatus for carrying out ultrasonic inspection
JPS54160295A (en) Method and device for inspecting solid
DE3470606D1 (en) Method and device for non-destructive testing of clinched junctions or the like with eddy current sensor
JPS56119853A (en) Specimen testing method and device
JPS5573247A (en) Tomographing inspection method and its device
DE3462713D1 (en) Method and apparatus for measuring the distance to an object
DE3373709D1 (en) Method and apparatus for ultrasonic flaw detection
GB2083226B (en) Eddy current testing probe
GB2138145B (en) Method and apparatus for continuously measuring distance utilizing eddy currents
GB2182437B (en) Method and apparatus for inspecting an object
ZA824061B (en) Distance measurement method and apparatus for its performance
AU552326B2 (en) Eddy current flaw detection
GB2081899A (en) Method and apparatus for pipe inspection
JPS5554944A (en) Ultrasoniccwave inspection method and its device
GB2095843B (en) Eddy current fastener hole inspection method and apparatus
GB2109555B (en) Ultrasonic testing method and apparatus
EP0068503A3 (en) Method and device for testing materials using the eddy current principle
DE3068908D1 (en) Eddy current inspection apparatus and probe